Tiffany & Co. 18k yellow gold and platinum set diamond atlas necklace features:

• Metal: 18k yellow gold
• Weight: 75.8 grams
• Stones: 20 round brilliant cut diamonds VS1 clarity G color total weight approx. 1 ctw, set in platinum
• Condition: Pre-Owned, Refurbished to excellent condition by TrueFacet expert
• Comes with TrueFacet Valuation Report